125130133 has 4 divisors (see below), whose sum is σ = 125370828. Its totient is φ = 124889440.

The previous prime is 125130127. The next prime is 125130139. The reversal of 125130133 is 331031521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331031521 = 173 ⋅1913477.

It is an interprime number because it is at equal distance from previous prime (125130127) and next prime (125130139).

It can be written as a sum of positive squares in 2 ways, for example, as 18173169 + 106956964 = 4263^2 + 10342^2 .

It is a cyclic number.

It is not a de Polignac number, because 125130133 - 2⁵ = 125130101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125130133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125130139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119566 + ... + 120607.

It is an arithmetic number, because the mean of its divisors is an integer number (31342707).

Almost surely, 2^125130133 is an apocalyptic number.

It is an amenable number.

125130133 is a deficient number, since it is larger than the sum of its proper divisors (240695).

125130133 is an equidigital number, since it uses as much as digits as its factorization.

125130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240694.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 125130133 is about 11186.1580982927. The cubic root of 125130133 is about 500.1734504896.

Adding to 125130133 its reverse (331031521), we get a palindrome (456161654).

The spelling of 125130133 in words is "one hundred twenty-five million, one hundred thirty thousand, one hundred thirty-three".